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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">select_points_object_model_3d</span><span data-if="c" style="display:none;">T_select_points_object_model_3d</span><span data-if="cpp" style="display:none;">SelectPointsObjectModel3d</span><span data-if="dotnet" style="display:none;">SelectPointsObjectModel3d</span><span data-if="python" style="display:none;">select_points_object_model_3d</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">select_points_object_model_3d</span><span data-if="c" style="display:none;">T_select_points_object_model_3d</span><span data-if="cpp" style="display:none;">SelectPointsObjectModel3d</span><span data-if="dotnet" style="display:none;">SelectPointsObjectModel3d</span><span data-if="python" style="display:none;">select_points_object_model_3d</span></code> — Apply a threshold to an attribute of 3D object models.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>select_points_object_model_3d</b>( :  : <a href="#ObjectModel3D"><i>ObjectModel3D</i></a>, <a href="#Attrib"><i>Attrib</i></a>, <a href="#MinValue"><i>MinValue</i></a>, <a href="#MaxValue"><i>MaxValue</i></a> : <a href="#ObjectModel3DThresholded"><i>ObjectModel3DThresholded</i></a>)</code></p>
</div>
<div data-if="c" style="display:none;">
<p>
<code>Herror <b>T_select_points_object_model_3d</b>(const Htuple <a href="#ObjectModel3D"><i>ObjectModel3D</i></a>, const Htuple <a href="#Attrib"><i>Attrib</i></a>, const Htuple <a href="#MinValue"><i>MinValue</i></a>, const Htuple <a href="#MaxValue"><i>MaxValue</i></a>, Htuple* <a href="#ObjectModel3DThresholded"><i>ObjectModel3DThresholded</i></a>)</code></p>
</div>
<div data-if="cpp" style="display:none;">
<p>
<code>void <b>SelectPointsObjectModel3d</b>(const HTuple&amp; <a href="#ObjectModel3D"><i>ObjectModel3D</i></a>, const HTuple&amp; <a href="#Attrib"><i>Attrib</i></a>, const HTuple&amp; <a href="#MinValue"><i>MinValue</i></a>, const HTuple&amp; <a href="#MaxValue"><i>MaxValue</i></a>, HTuple* <a href="#ObjectModel3DThresholded"><i>ObjectModel3DThresholded</i></a>)</code></p>
<p>
<code>static HObjectModel3DArray <a href="HObjectModel3D.html">HObjectModel3D</a>::<b>SelectPointsObjectModel3d</b>(const HObjectModel3DArray&amp; <a href="#ObjectModel3D"><i>ObjectModel3D</i></a>, const HTuple&amp; <a href="#Attrib"><i>Attrib</i></a>, const HTuple&amp; <a href="#MinValue"><i>MinValue</i></a>, const HTuple&amp; <a href="#MaxValue"><i>MaxValue</i></a>)</code></p>
<p>
<code><a href="HObjectModel3D.html">HObjectModel3D</a> <a href="HObjectModel3D.html">HObjectModel3D</a>::<b>SelectPointsObjectModel3d</b>(const HString&amp; <a href="#Attrib"><i>Attrib</i></a>, double <a href="#MinValue"><i>MinValue</i></a>, double <a href="#MaxValue"><i>MaxValue</i></a>) const</code></p>
<p>
<code><a href="HObjectModel3D.html">HObjectModel3D</a> <a href="HObjectModel3D.html">HObjectModel3D</a>::<b>SelectPointsObjectModel3d</b>(const char* <a href="#Attrib"><i>Attrib</i></a>, double <a href="#MinValue"><i>MinValue</i></a>, double <a href="#MaxValue"><i>MaxValue</i></a>) const</code></p>
<p>
<code><a href="HObjectModel3D.html">HObjectModel3D</a> <a href="HObjectModel3D.html">HObjectModel3D</a>::<b>SelectPointsObjectModel3d</b>(const wchar_t* <a href="#Attrib"><i>Attrib</i></a>, double <a href="#MinValue"><i>MinValue</i></a>, double <a href="#MaxValue"><i>MaxValue</i></a>) const  <span class="signnote">
            (
            Windows only)
          </span></code></p>
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<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>SelectPointsObjectModel3d</b>(<a href="HTuple.html">HTuple</a> <a href="#ObjectModel3D"><i>objectModel3D</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Attrib"><i>attrib</i></a>, <a href="HTuple.html">HTuple</a> <a href="#MinValue"><i>minValue</i></a>, <a href="HTuple.html">HTuple</a> <a href="#MaxValue"><i>maxValue</i></a>, out <a href="HTuple.html">HTuple</a> <a href="#ObjectModel3DThresholded"><i>objectModel3DThresholded</i></a>)</code></p>
<p>
<code>static <a href="HObjectModel3D.html">HObjectModel3D[]</a> <a href="HObjectModel3D.html">HObjectModel3D</a>.<b>SelectPointsObjectModel3d</b>(<a href="HObjectModel3D.html">HObjectModel3D[]</a> <a href="#ObjectModel3D"><i>objectModel3D</i></a>, <a href="HTuple.html">HTuple</a> <a href="#Attrib"><i>attrib</i></a>, <a href="HTuple.html">HTuple</a> <a href="#MinValue"><i>minValue</i></a>, <a href="HTuple.html">HTuple</a> <a href="#MaxValue"><i>maxValue</i></a>)</code></p>
<p>
<code><a href="HObjectModel3D.html">HObjectModel3D</a> <a href="HObjectModel3D.html">HObjectModel3D</a>.<b>SelectPointsObjectModel3d</b>(string <a href="#Attrib"><i>attrib</i></a>, double <a href="#MinValue"><i>minValue</i></a>, double <a href="#MaxValue"><i>maxValue</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>select_points_object_model_3d</b>(<a href="#ObjectModel3D"><i>object_model_3d</i></a>: MaybeSequence[HHandle], <a href="#Attrib"><i>attrib</i></a>: MaybeSequence[str], <a href="#MinValue"><i>min_value</i></a>: MaybeSequence[Union[int, float]], <a href="#MaxValue"><i>max_value</i></a>: MaybeSequence[Union[int, float]]) -&gt; Sequence[HHandle]</code></p>
<p>
<code>def <b>select_points_object_model_3d_s</b>(<a href="#ObjectModel3D"><i>object_model_3d</i></a>: MaybeSequence[HHandle], <a href="#Attrib"><i>attrib</i></a>: MaybeSequence[str], <a href="#MinValue"><i>min_value</i></a>: MaybeSequence[Union[int, float]], <a href="#MaxValue"><i>max_value</i></a>: MaybeSequence[Union[int, float]]) -&gt; HHandle</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">select_points_object_model_3d</span><span data-if="c" style="display:none">select_points_object_model_3d</span><span data-if="cpp" style="display:none">SelectPointsObjectModel3d</span><span data-if="com" style="display:none">SelectPointsObjectModel3d</span><span data-if="dotnet" style="display:none">SelectPointsObjectModel3d</span><span data-if="python" style="display:none">select_points_object_model_3d</span></code> selects points of the 3D object
model <a href="#ObjectModel3D"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3D</span><span data-if="c" style="display:none">ObjectModel3D</span><span data-if="cpp" style="display:none">ObjectModel3D</span><span data-if="com" style="display:none">ObjectModel3D</span><span data-if="dotnet" style="display:none">objectModel3D</span><span data-if="python" style="display:none">object_model_3d</span></code></i></a> according to the attributes and thresholds
passed in <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>, <a href="#MinValue"><i><code><span data-if="hdevelop" style="display:inline">MinValue</span><span data-if="c" style="display:none">MinValue</span><span data-if="cpp" style="display:none">MinValue</span><span data-if="com" style="display:none">MinValue</span><span data-if="dotnet" style="display:none">minValue</span><span data-if="python" style="display:none">min_value</span></code></i></a>, and <a href="#MaxValue"><i><code><span data-if="hdevelop" style="display:inline">MaxValue</span><span data-if="c" style="display:none">MaxValue</span><span data-if="cpp" style="display:none">MaxValue</span><span data-if="com" style="display:none">MaxValue</span><span data-if="dotnet" style="display:none">maxValue</span><span data-if="python" style="display:none">max_value</span></code></i></a>
respectively.
The selected points are returned in the 3D object model
<a href="#ObjectModel3DThresholded"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3DThresholded</span><span data-if="c" style="display:none">ObjectModel3DThresholded</span><span data-if="cpp" style="display:none">ObjectModel3DThresholded</span><span data-if="com" style="display:none">ObjectModel3DThresholded</span><span data-if="dotnet" style="display:none">objectModel3DThresholded</span><span data-if="python" style="display:none">object_model_3dthresholded</span></code></i></a>.
All attributes that are connected with the points
(e.g., polygons or triangles) are adapted in such a way that there is
no reference to the removed points left.
</p>
<p><a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a> can either contain a tuple of numbers that has the same
length as <a href="#ObjectModel3D"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3D</span><span data-if="c" style="display:none">ObjectModel3D</span><span data-if="cpp" style="display:none">ObjectModel3D</span><span data-if="com" style="display:none">ObjectModel3D</span><span data-if="dotnet" style="display:none">objectModel3D</span><span data-if="python" style="display:none">object_model_3d</span></code></i></a> has points, or a list of attribute
names on which the thresholds are applied.
</p>
<p>If <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a> contains a tuple of numbers, exactly one number must
be passed in both <a href="#MinValue"><i><code><span data-if="hdevelop" style="display:inline">MinValue</span><span data-if="c" style="display:none">MinValue</span><span data-if="cpp" style="display:none">MinValue</span><span data-if="com" style="display:none">MinValue</span><span data-if="dotnet" style="display:none">minValue</span><span data-if="python" style="display:none">min_value</span></code></i></a> and <a href="#MaxValue"><i><code><span data-if="hdevelop" style="display:inline">MaxValue</span><span data-if="c" style="display:none">MaxValue</span><span data-if="cpp" style="display:none">MaxValue</span><span data-if="com" style="display:none">MaxValue</span><span data-if="dotnet" style="display:none">maxValue</span><span data-if="python" style="display:none">max_value</span></code></i></a>.
All points for which the corresponding entry in <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a> is between
the two thresholds are added to the output 3D object model
<a href="#ObjectModel3DThresholded"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3DThresholded</span><span data-if="c" style="display:none">ObjectModel3DThresholded</span><span data-if="cpp" style="display:none">ObjectModel3DThresholded</span><span data-if="com" style="display:none">ObjectModel3DThresholded</span><span data-if="dotnet" style="display:none">objectModel3DThresholded</span><span data-if="python" style="display:none">object_model_3dthresholded</span></code></i></a>.
</p>
<p>Otherwise, <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a> can contain a list of attribute names that
refer to properties of the 3D object model <a href="#ObjectModel3D"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3D</span><span data-if="c" style="display:none">ObjectModel3D</span><span data-if="cpp" style="display:none">ObjectModel3D</span><span data-if="com" style="display:none">ObjectModel3D</span><span data-if="dotnet" style="display:none">objectModel3D</span><span data-if="python" style="display:none">object_model_3d</span></code></i></a>.
All points, for which the value stored in the attribute <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>
is inside the interval specified in <a href="#MinValue"><i><code><span data-if="hdevelop" style="display:inline">MinValue</span><span data-if="c" style="display:none">MinValue</span><span data-if="cpp" style="display:none">MinValue</span><span data-if="com" style="display:none">MinValue</span><span data-if="dotnet" style="display:none">minValue</span><span data-if="python" style="display:none">min_value</span></code></i></a> and <a href="#MaxValue"><i><code><span data-if="hdevelop" style="display:inline">MaxValue</span><span data-if="c" style="display:none">MaxValue</span><span data-if="cpp" style="display:none">MaxValue</span><span data-if="com" style="display:none">MaxValue</span><span data-if="dotnet" style="display:none">maxValue</span><span data-if="python" style="display:none">max_value</span></code></i></a>
are stored in the output 3D object model.
<a href="#MinValue"><i><code><span data-if="hdevelop" style="display:inline">MinValue</span><span data-if="c" style="display:none">MinValue</span><span data-if="cpp" style="display:none">MinValue</span><span data-if="com" style="display:none">MinValue</span><span data-if="dotnet" style="display:none">minValue</span><span data-if="python" style="display:none">min_value</span></code></i></a> and <a href="#MaxValue"><i><code><span data-if="hdevelop" style="display:inline">MaxValue</span><span data-if="c" style="display:none">MaxValue</span><span data-if="cpp" style="display:none">MaxValue</span><span data-if="com" style="display:none">MaxValue</span><span data-if="dotnet" style="display:none">maxValue</span><span data-if="python" style="display:none">max_value</span></code></i></a> must contain exactly as many
values as <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>.
If <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a> contains multiple values, only those points are stored
in the output 3D object model that fulfill all the criteria.
</p>
<p>Depending on the properties of <a href="#ObjectModel3D"><i><code><span data-if="hdevelop" style="display:inline">ObjectModel3D</span><span data-if="c" style="display:none">ObjectModel3D</span><span data-if="cpp" style="display:none">ObjectModel3D</span><span data-if="com" style="display:none">ObjectModel3D</span><span data-if="dotnet" style="display:none">objectModel3D</span><span data-if="python" style="display:none">object_model_3d</span></code></i></a>, the following
values are possible for <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>:
</p>
<p>The following attributes are available:
</p>
<dl class="generic">

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_coord_x'</span><span data-if="c" style="display:none">"point_coord_x"</span><span data-if="cpp" style="display:none">"point_coord_x"</span><span data-if="com" style="display:none">"point_coord_x"</span><span data-if="dotnet" style="display:none">"point_coord_x"</span><span data-if="python" style="display:none">"point_coord_x"</span></i>:</b></dt>
<dd><p>

The x-coordinates of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_coord_y'</span><span data-if="c" style="display:none">"point_coord_y"</span><span data-if="cpp" style="display:none">"point_coord_y"</span><span data-if="com" style="display:none">"point_coord_y"</span><span data-if="dotnet" style="display:none">"point_coord_y"</span><span data-if="python" style="display:none">"point_coord_y"</span></i>:</b></dt>
<dd><p>

The y-coordinates of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_coord_z'</span><span data-if="c" style="display:none">"point_coord_z"</span><span data-if="cpp" style="display:none">"point_coord_z"</span><span data-if="com" style="display:none">"point_coord_z"</span><span data-if="dotnet" style="display:none">"point_coord_z"</span><span data-if="python" style="display:none">"point_coord_z"</span></i>:</b></dt>
<dd><p>

The z-coordinates of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_normal_x'</span><span data-if="c" style="display:none">"point_normal_x"</span><span data-if="cpp" style="display:none">"point_normal_x"</span><span data-if="com" style="display:none">"point_normal_x"</span><span data-if="dotnet" style="display:none">"point_normal_x"</span><span data-if="python" style="display:none">"point_normal_x"</span></i>:</b></dt>
<dd><p>

The x-components of the 3D point normals of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_normal_y'</span><span data-if="c" style="display:none">"point_normal_y"</span><span data-if="cpp" style="display:none">"point_normal_y"</span><span data-if="com" style="display:none">"point_normal_y"</span><span data-if="dotnet" style="display:none">"point_normal_y"</span><span data-if="python" style="display:none">"point_normal_y"</span></i>:</b></dt>
<dd><p>

The y-components of the 3D point normals of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'point_normal_z'</span><span data-if="c" style="display:none">"point_normal_z"</span><span data-if="cpp" style="display:none">"point_normal_z"</span><span data-if="com" style="display:none">"point_normal_z"</span><span data-if="dotnet" style="display:none">"point_normal_z"</span><span data-if="python" style="display:none">"point_normal_z"</span></i>:</b></dt>
<dd><p>

The z-components of the 3D point normals of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'mapping_row'</span><span data-if="c" style="display:none">"mapping_row"</span><span data-if="cpp" style="display:none">"mapping_row"</span><span data-if="com" style="display:none">"mapping_row"</span><span data-if="dotnet" style="display:none">"mapping_row"</span><span data-if="python" style="display:none">"mapping_row"</span></i>:</b></dt>
<dd><p>

The row-components of the 2D mapping of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'mapping_col'</span><span data-if="c" style="display:none">"mapping_col"</span><span data-if="cpp" style="display:none">"mapping_col"</span><span data-if="com" style="display:none">"mapping_col"</span><span data-if="dotnet" style="display:none">"mapping_col"</span><span data-if="python" style="display:none">"mapping_col"</span></i>:</b></dt>
<dd><p>

The column-components of the 2D mapping of the set of 3D points.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'neighbor_distance'</span><span data-if="c" style="display:none">"neighbor_distance"</span><span data-if="cpp" style="display:none">"neighbor_distance"</span><span data-if="com" style="display:none">"neighbor_distance"</span><span data-if="dotnet" style="display:none">"neighbor_distance"</span><span data-if="python" style="display:none">"neighbor_distance"</span></i>:</b></dt>
<dd>

</dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'neighbor_distance N'</span><span data-if="c" style="display:none">"neighbor_distance N"</span><span data-if="cpp" style="display:none">"neighbor_distance N"</span><span data-if="com" style="display:none">"neighbor_distance N"</span><span data-if="dotnet" style="display:none">"neighbor_distance N"</span><span data-if="python" style="display:none">"neighbor_distance N"</span></i>:</b></dt>
<dd><p>

The distance of the N-th nearest point.
N must be a positive integer and is by default 25.
For every point, all other points are sorted according to their distance
and the distance of the N-th point is used.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'num_neighbors X'</span><span data-if="c" style="display:none">"num_neighbors X"</span><span data-if="cpp" style="display:none">"num_neighbors X"</span><span data-if="com" style="display:none">"num_neighbors X"</span><span data-if="dotnet" style="display:none">"num_neighbors X"</span><span data-if="python" style="display:none">"num_neighbors X"</span></i>:</b></dt>
<dd><p>

The number of neighbors within a distance of at most X.
It can be used to remove sparsely populated parts of the 3D object model,
such as outliers or points that are created by smoothing between 3D
surfaces.
</p></dd>

<dt><b><i><span data-if="hdevelop" style="display:inline">'num_neighbors_fast X'</span><span data-if="c" style="display:none">"num_neighbors_fast X"</span><span data-if="cpp" style="display:none">"num_neighbors_fast X"</span><span data-if="com" style="display:none">"num_neighbors_fast X"</span><span data-if="dotnet" style="display:none">"num_neighbors_fast X"</span><span data-if="python" style="display:none">"num_neighbors_fast X"</span></i>:</b></dt>
<dd><p>

The approximate number of neighbors within a distance of at most X.
The distances are approximated using voxels, leading to a
faster processing compared to <i><span data-if="hdevelop" style="display:inline">'num_neighbors'</span><span data-if="c" style="display:none">"num_neighbors"</span><span data-if="cpp" style="display:none">"num_neighbors"</span><span data-if="com" style="display:none">"num_neighbors"</span><span data-if="dotnet" style="display:none">"num_neighbors"</span><span data-if="python" style="display:none">"num_neighbors"</span></i>.
</p></dd>

<dt><b>Extended attribute:</b></dt>
<dd><p>
 Enter the name of an extended attribute
of the type <i><span data-if="hdevelop" style="display:inline">'vertices'</span><span data-if="c" style="display:none">"vertices"</span><span data-if="cpp" style="display:none">"vertices"</span><span data-if="com" style="display:none">"vertices"</span><span data-if="dotnet" style="display:none">"vertices"</span><span data-if="python" style="display:none">"vertices"</span></i> and
the selection will be applied based on the values of the extended
attribute.
</p></dd>
</dl>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>Automatically parallelized on internal data level.</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="ObjectModel3D" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ObjectModel3D</span><span data-if="c" style="display:none">ObjectModel3D</span><span data-if="cpp" style="display:none">ObjectModel3D</span><span data-if="com" style="display:none">ObjectModel3D</span><span data-if="dotnet" style="display:none">objectModel3D</span><span data-if="python" style="display:none">object_model_3d</span></code></b> (input_control)  </span><span>object_model_3d(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HObjectModel3D.html">HObjectModel3D</a>, </span><span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[HHandle]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (handle)</span><span data-if="dotnet" style="display:none"> (<i>IntPtr</i>)</span><span data-if="cpp" style="display:none"> (<i>HHandle</i>)</span><span data-if="c" style="display:none"> (<i>handle</i>)</span></span>
</div>
<p class="pardesc">Handle of the 3D object models.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="Attrib" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></b> (input_control)  </span><span>string(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[str]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (string)</span><span data-if="dotnet" style="display:none"> (<i>string</i>)</span><span data-if="cpp" style="display:none"> (<i>HString</i>)</span><span data-if="c" style="display:none"> (<i>char*</i>)</span></span>
</div>
<p class="pardesc">Attributes the threshold is applied to.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>
    <span data-if="hdevelop" style="display:inline">'point_coord_z'</span>
    <span data-if="c" style="display:none">"point_coord_z"</span>
    <span data-if="cpp" style="display:none">"point_coord_z"</span>
    <span data-if="com" style="display:none">"point_coord_z"</span>
    <span data-if="dotnet" style="display:none">"point_coord_z"</span>
    <span data-if="python" style="display:none">"point_coord_z"</span>
</p>
<p class="pardesc"><span class="parcat">List of values:
      </span><span data-if="hdevelop" style="display:inline">'mapping_col'</span><span data-if="c" style="display:none">"mapping_col"</span><span data-if="cpp" style="display:none">"mapping_col"</span><span data-if="com" style="display:none">"mapping_col"</span><span data-if="dotnet" style="display:none">"mapping_col"</span><span data-if="python" style="display:none">"mapping_col"</span>, <span data-if="hdevelop" style="display:inline">'mapping_row'</span><span data-if="c" style="display:none">"mapping_row"</span><span data-if="cpp" style="display:none">"mapping_row"</span><span data-if="com" style="display:none">"mapping_row"</span><span data-if="dotnet" style="display:none">"mapping_row"</span><span data-if="python" style="display:none">"mapping_row"</span>, <span data-if="hdevelop" style="display:inline">'neighbor_distance'</span><span data-if="c" style="display:none">"neighbor_distance"</span><span data-if="cpp" style="display:none">"neighbor_distance"</span><span data-if="com" style="display:none">"neighbor_distance"</span><span data-if="dotnet" style="display:none">"neighbor_distance"</span><span data-if="python" style="display:none">"neighbor_distance"</span>, <span data-if="hdevelop" style="display:inline">'num_neighbors'</span><span data-if="c" style="display:none">"num_neighbors"</span><span data-if="cpp" style="display:none">"num_neighbors"</span><span data-if="com" style="display:none">"num_neighbors"</span><span data-if="dotnet" style="display:none">"num_neighbors"</span><span data-if="python" style="display:none">"num_neighbors"</span>, <span data-if="hdevelop" style="display:inline">'num_neighbors_fast'</span><span data-if="c" style="display:none">"num_neighbors_fast"</span><span data-if="cpp" style="display:none">"num_neighbors_fast"</span><span data-if="com" style="display:none">"num_neighbors_fast"</span><span data-if="dotnet" style="display:none">"num_neighbors_fast"</span><span data-if="python" style="display:none">"num_neighbors_fast"</span>, <span data-if="hdevelop" style="display:inline">'point_coord_x'</span><span data-if="c" style="display:none">"point_coord_x"</span><span data-if="cpp" style="display:none">"point_coord_x"</span><span data-if="com" style="display:none">"point_coord_x"</span><span data-if="dotnet" style="display:none">"point_coord_x"</span><span data-if="python" style="display:none">"point_coord_x"</span>, <span data-if="hdevelop" style="display:inline">'point_coord_y'</span><span data-if="c" style="display:none">"point_coord_y"</span><span data-if="cpp" style="display:none">"point_coord_y"</span><span data-if="com" style="display:none">"point_coord_y"</span><span data-if="dotnet" style="display:none">"point_coord_y"</span><span data-if="python" style="display:none">"point_coord_y"</span>, <span data-if="hdevelop" style="display:inline">'point_coord_z'</span><span data-if="c" style="display:none">"point_coord_z"</span><span data-if="cpp" style="display:none">"point_coord_z"</span><span data-if="com" style="display:none">"point_coord_z"</span><span data-if="dotnet" style="display:none">"point_coord_z"</span><span data-if="python" style="display:none">"point_coord_z"</span>, <span data-if="hdevelop" style="display:inline">'point_normal_x'</span><span data-if="c" style="display:none">"point_normal_x"</span><span data-if="cpp" style="display:none">"point_normal_x"</span><span data-if="com" style="display:none">"point_normal_x"</span><span data-if="dotnet" style="display:none">"point_normal_x"</span><span data-if="python" style="display:none">"point_normal_x"</span>, <span data-if="hdevelop" style="display:inline">'point_normal_y'</span><span data-if="c" style="display:none">"point_normal_y"</span><span data-if="cpp" style="display:none">"point_normal_y"</span><span data-if="com" style="display:none">"point_normal_y"</span><span data-if="dotnet" style="display:none">"point_normal_y"</span><span data-if="python" style="display:none">"point_normal_y"</span>, <span data-if="hdevelop" style="display:inline">'point_normal_z'</span><span data-if="c" style="display:none">"point_normal_z"</span><span data-if="cpp" style="display:none">"point_normal_z"</span><span data-if="com" style="display:none">"point_normal_z"</span><span data-if="dotnet" style="display:none">"point_normal_z"</span><span data-if="python" style="display:none">"point_normal_z"</span></p>
</div>
  <div class="par">
<div class="parhead">
<span id="MinValue" class="parname"><b><code><span data-if="hdevelop" style="display:inline">MinValue</span><span data-if="c" style="display:none">MinValue</span><span data-if="cpp" style="display:none">MinValue</span><span data-if="com" style="display:none">MinValue</span><span data-if="dotnet" style="display:none">minValue</span><span data-if="python" style="display:none">min_value</span></code></b> (input_control)  </span><span>number(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Minimum value for the attributes specified by
<a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>0.5</p>
</div>
  <div class="par">
<div class="parhead">
<span id="MaxValue" class="parname"><b><code><span data-if="hdevelop" style="display:inline">MaxValue</span><span data-if="c" style="display:none">MaxValue</span><span data-if="cpp" style="display:none">MaxValue</span><span data-if="com" style="display:none">MaxValue</span><span data-if="dotnet" style="display:none">maxValue</span><span data-if="python" style="display:none">max_value</span></code></b> (input_control)  </span><span>number(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">MaybeSequence[Union[int, float]]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (real / </span><span data-if="hdevelop" style="display:inline">integer)</span><span data-if="dotnet" style="display:none"> (<i>double</i> / </span><span data-if="dotnet" style="display:none">int / </span><span data-if="dotnet" style="display:none">long)</span><span data-if="cpp" style="display:none"> (<i>double</i> / </span><span data-if="cpp" style="display:none">Hlong)</span><span data-if="c" style="display:none"> (<i>double</i> / </span><span data-if="c" style="display:none">Hlong)</span></span>
</div>
<p class="pardesc">Maximum value for the attributes specified
by <a href="#Attrib"><i><code><span data-if="hdevelop" style="display:inline">Attrib</span><span data-if="c" style="display:none">Attrib</span><span data-if="cpp" style="display:none">Attrib</span><span data-if="com" style="display:none">Attrib</span><span data-if="dotnet" style="display:none">attrib</span><span data-if="python" style="display:none">attrib</span></code></i></a>.</p>
<p class="pardesc"><span class="parcat">Default:
      </span>1.0</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ObjectModel3DThresholded" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ObjectModel3DThresholded</span><span data-if="c" style="display:none">ObjectModel3DThresholded</span><span data-if="cpp" style="display:none">ObjectModel3DThresholded</span><span data-if="com" style="display:none">ObjectModel3DThresholded</span><span data-if="dotnet" style="display:none">objectModel3DThresholded</span><span data-if="python" style="display:none">object_model_3dthresholded</span></code></b> (output_control)  </span><span>object_model_3d(-array) <code>→</code> <span data-if="dotnet" style="display:none"><a href="HObjectModel3D.html">HObjectModel3D</a>, </span><span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">Sequence[HHandle]</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (handle)</span><span data-if="dotnet" style="display:none"> (<i>IntPtr</i>)</span><span data-if="cpp" style="display:none"> (<i>HHandle</i>)</span><span data-if="c" style="display:none"> (<i>handle</i>)</span></span>
</div>
<p class="pardesc">Handle of the reduced 3D object models.</p>
</div>
<h2 id="sec_example_all">例程 (HDevelop)</h2>
<pre class="example">
gen_object_model_3d_from_points (rand(100), rand(100),\
                                    rand(100), ObjectModel3D)
select_points_object_model_3d (ObjectModel3D, 'point_coord_z',\
                               0.5, 1, ObjectModel3DThresholded)
get_object_model_3d_params (ObjectModel3DThresholded, 'num_points',\
                            NumPoints)
</pre>
<h2 id="sec_result">结果</h2>
<p><code><span data-if="hdevelop" style="display:inline">select_points_object_model_3d</span><span data-if="c" style="display:none">select_points_object_model_3d</span><span data-if="cpp" style="display:none">SelectPointsObjectModel3d</span><span data-if="com" style="display:none">SelectPointsObjectModel3d</span><span data-if="dotnet" style="display:none">SelectPointsObjectModel3d</span><span data-if="python" style="display:none">select_points_object_model_3d</span></code> returns <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
     if all parameters
are correct. 如有必要，将引发异常。
If the required points are missing in the object model, i.e., an empty
object model is passed, the error 9515 is raised.
</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="read_object_model_3d.html"><span data-if="hdevelop" style="display:inline">read_object_model_3d</span><span data-if="c" style="display:none">read_object_model_3d</span><span data-if="cpp" style="display:none">ReadObjectModel3d</span><span data-if="com" style="display:none">ReadObjectModel3d</span><span data-if="dotnet" style="display:none">ReadObjectModel3d</span><span data-if="python" style="display:none">read_object_model_3d</span></a></code>, 
<code><a href="xyz_to_object_model_3d.html"><span data-if="hdevelop" style="display:inline">xyz_to_object_model_3d</span><span data-if="c" style="display:none">xyz_to_object_model_3d</span><span data-if="cpp" style="display:none">XyzToObjectModel3d</span><span data-if="com" style="display:none">XyzToObjectModel3d</span><span data-if="dotnet" style="display:none">XyzToObjectModel3d</span><span data-if="python" style="display:none">xyz_to_object_model_3d</span></a></code>
</p>
<h2 id="sec_successors">可能的后置算子</h2>
<p>
<code><a href="connection_object_model_3d.html"><span data-if="hdevelop" style="display:inline">connection_object_model_3d</span><span data-if="c" style="display:none">connection_object_model_3d</span><span data-if="cpp" style="display:none">ConnectionObjectModel3d</span><span data-if="com" style="display:none">ConnectionObjectModel3d</span><span data-if="dotnet" style="display:none">ConnectionObjectModel3d</span><span data-if="python" style="display:none">connection_object_model_3d</span></a></code>, 
<code><a href="project_object_model_3d.html"><span data-if="hdevelop" style="display:inline">project_object_model_3d</span><span data-if="c" style="display:none">project_object_model_3d</span><span data-if="cpp" style="display:none">ProjectObjectModel3d</span><span data-if="com" style="display:none">ProjectObjectModel3d</span><span data-if="dotnet" style="display:none">ProjectObjectModel3d</span><span data-if="python" style="display:none">project_object_model_3d</span></a></code>, 
<code><a href="object_model_3d_to_xyz.html"><span data-if="hdevelop" style="display:inline">object_model_3d_to_xyz</span><span data-if="c" style="display:none">object_model_3d_to_xyz</span><span data-if="cpp" style="display:none">ObjectModel3dToXyz</span><span data-if="com" style="display:none">ObjectModel3dToXyz</span><span data-if="dotnet" style="display:none">ObjectModel3dToXyz</span><span data-if="python" style="display:none">object_model_3d_to_xyz</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="connection_object_model_3d.html"><span data-if="hdevelop" style="display:inline">connection_object_model_3d</span><span data-if="c" style="display:none">connection_object_model_3d</span><span data-if="cpp" style="display:none">ConnectionObjectModel3d</span><span data-if="com" style="display:none">ConnectionObjectModel3d</span><span data-if="dotnet" style="display:none">ConnectionObjectModel3d</span><span data-if="python" style="display:none">connection_object_model_3d</span></a></code>, 
<code><a href="reduce_object_model_3d_by_view.html"><span data-if="hdevelop" style="display:inline">reduce_object_model_3d_by_view</span><span data-if="c" style="display:none">reduce_object_model_3d_by_view</span><span data-if="cpp" style="display:none">ReduceObjectModel3dByView</span><span data-if="com" style="display:none">ReduceObjectModel3dByView</span><span data-if="dotnet" style="display:none">ReduceObjectModel3dByView</span><span data-if="python" style="display:none">reduce_object_model_3d_by_view</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
3D Metrology</p>
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